Abraham Van Vechten (December 5, 1762 – January 6, 1837)[1] was an American lawyer and a Federalist politician who served twice as New York State Attorney General.

Van Vechten was educated at Columbia College, studied law with John Lansing Jr., and began practice in Johnstown, New York, but soon removed to Albany.

[2] From 1796 to 1797, he was Assistant Attorney General for the Fifth District, comprising Albany, Saratoga, Schoharie and Montgomery Counties.

[2] Van Vechten was the first lawyers admitted to the bar after the adoption of the New York State Constitution and ranked among the most gifted men of that time, including Alexander Hamilton, Aaron Burr and Robert Livingston.

[5] After serving as Attorney General of New York, he was elected to return to the State Senate, serving in the 39th, 40th, 41st and 42nd New York State Legislatures from 1816 to 1819, representing the Middle District, which included Albany, Chenango, Columbia, Delaware, Greene, Orange, Otsego, Schoharie, Sullivan and Ulster counties.